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Diagnosis Code

C78.5 SECONDARY MALIGNANT NEOPLASM OF LARGE INTESTINE AND RECTUM


Code Information

Diagnosis Code: C78.5

Short Description: Secondary malignant neoplasm of large intestine and rectum

Long Description: Secondary malignant neoplasm of large intestine and rectum

The code C78.5 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
      • Secondary malignant neoplasm of resp and digestive organs (C78)
        • C78.5 Secondary malignant neoplasm of large intestine and rectum

Code Version: 2022 ICD-10-CM


Synonyms

  • Malignant neoplasm of rectum, rectosigmoid junction and anus
  • Malignant tumor involving rectum by direct extension from endometrium
  • Malignant tumor involving rectum by direct extension from fallopian tube
  • Malignant tumor involving rectum by direct extension from ovary
  • Malignant tumor involving rectum by direct extension from prostate
  • Malignant tumor involving rectum by direct extension from uterine cervix
  • Malignant tumor involving rectum by direct extension from uterus
  • Malignant tumor involving rectum by direct extension from vagina
  • Malignant tumor of cecum
  • Malignant tumor of cecum
  • Malignant tumor of hepatic flexure
  • Malignant tumor of hepatic flexure
  • Malignant tumor of rectosigmoid junction
  • Malignant tumor of rectosigmoid junction
  • Malignant tumor of rectosigmoid junction
  • Malignant tumor of splenic flexure
  • Malignant tumor of splenic flexure
  • Metastatic carcinoma to anal canal
  • Metastatic carcinoma to ascending colon
  • Metastatic carcinoma to cecum
  • Metastatic carcinoma to colon
  • Metastatic carcinoma to descending colon
  • Metastatic carcinoma to hepatic flexure
  • Metastatic carcinoma to rectosigmoid junction
  • Metastatic carcinoma to sigmoid colon
  • Metastatic carcinoma to splenic flexure
  • Metastatic carcinoma to transverse colon
  • Metastatic malignant neoplasm to anal canal
  • Metastatic malignant neoplasm to anal canal
  • Metastatic malignant neoplasm to anus
  • Metastatic malignant neoplasm to anus
  • Metastatic malignant neoplasm to appendix
  • Metastatic malignant neoplasm to ascending colon
  • Metastatic malignant neoplasm to ascending colon
  • Metastatic malignant neoplasm to ascending colon
  • Metastatic malignant neoplasm to cecum
  • Metastatic malignant neoplasm to cecum
  • Metastatic malignant neoplasm to colon
  • Metastatic malignant neoplasm to colon and/or rectum
  • Metastatic malignant neoplasm to descending colon
  • Metastatic malignant neoplasm to descending colon
  • Metastatic malignant neoplasm to descending colon
  • Metastatic malignant neoplasm to hepatic flexure of colon
  • Metastatic malignant neoplasm to hepatic flexure of colon
  • Metastatic malignant neoplasm to large intestine
  • Metastatic malignant neoplasm to rectosigmoid junction
  • Metastatic malignant neoplasm to rectosigmoid junction
  • Metastatic malignant neoplasm to rectum
  • Metastatic malignant neoplasm to rectum
  • Metastatic malignant neoplasm to sigmoid colon
  • Metastatic malignant neoplasm to sigmoid colon
  • Metastatic malignant neoplasm to sigmoid colon
  • Metastatic malignant neoplasm to splenic flexure of colon
  • Metastatic malignant neoplasm to splenic flexure of colon
  • Metastatic malignant neoplasm to transverse colon
  • Metastatic malignant neoplasm to transverse colon
  • Metastatic malignant neoplasm to transverse colon
  • Metastatic malignant neoplasm to transverse colon
  • Neoplasm of hepatic flexure of colon
  • Neoplasm of hepatic flexure of colon
  • Neoplasm of splenic flexure of colon
  • Neoplasm of splenic flexure of colon
  • Radiologic finding of tumor invasion penetrating colonic serosa
  • Rectum involved by direct extension of malignant neoplasm
  • Tumor invades beyond pancreatic capsule to adjacent structures AND/OR organs
  • Tumor invades beyond pancreatic capsule to colon

Diagnostic Related Group(s)

The code C78.5 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Digestive Malignancy With Mcc (374)
  • Digestive Malignancy With Cc (375)
  • Digestive Malignancy Without Cc/mcc (376)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C78.5 Right Arrow 197.5 Sec malig neo lg bowel

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C78 Secondary malignant neoplasm of respiratory and digestive organs
C78.0 Secondary malignant neoplasm of lung
C78.00 Secondary malignant neoplasm of unspecified lung
C78.01 Secondary malignant neoplasm of right lung
C78.02 Secondary malignant neoplasm of left lung
C78.1 Secondary malignant neoplasm of mediastinum
C78.2 Secondary malignant neoplasm of pleura
C78.3 Secondary malignant neoplasm of other and unspecified respiratory organs
C78.30 Secondary malignant neoplasm of unspecified respiratory organ
C78.39 Secondary malignant neoplasm of other respiratory organs
C78.4 Secondary malignant neoplasm of small intestine
C78.6 Secondary malignant neoplasm of retroperitoneum and peritoneum
C78.7 Secondary malignant neoplasm of liver and intrahepatic bile duct
C78.8 Secondary malignant neoplasm of other and unspecified digestive organs
C78.80 Secondary malignant neoplasm of unspecified digestive organ
C78.89 Secondary malignant neoplasm of other digestive organs

This page was last updated on: 10/1/2023

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